{"product_id":"dynamite-friction-633-31070l-disc-brake-rotor","title":"Dynamite Friction 633-31070L Disc Brake Rotor - Rear Left","description":"\u003ch2\u003eOverview of the DFC Brake Rotor - Drilled and Slotted - Black\u003c\/h2\u003e\u003cp\u003eThe Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Black (part number 633-31070L) is engineered for BMW models including the 325i, 330i, 330xi, 335d, 335i, 335is, 335i xDrive, 335xi, and X1. This vented disc brake rotor features a directional, slotted and drilled surface designed to enhance braking performance and heat dissipation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePart Number: 633-31070L\u003c\/li\u003e\n\u003cli\u003eCompatible with BMW 325i, 330i, 330xi, 335d, 335i, 335is, 335i xDrive, 335xi, and X1\u003c\/li\u003e\n\u003cli\u003eDisc Finish: Plain with zinc black hat finish\u003c\/li\u003e\n\u003cli\u003eSurface Type: Directional slotted and drilled\u003c\/li\u003e\n\u003cli\u003eVented rotor design for improved cooling\u003c\/li\u003e\n\u003cli\u003eRust resistant coating applied\u003c\/li\u003e\n\u003cli\u003eNominal Thickness: 22 mm; Discard Thickness: 20.4 mm\u003c\/li\u003e\n\u003cli\u003eOutside Diameter: 336 mm; Overall Height: 67.2 mm\u003c\/li\u003e\n\u003cli\u003eBolt Hole Quantity: 5 with 14.8 mm diameter; Bolt Circle Diameter: 120 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe DFC Brake Rotor - Drilled and Slotted - Black from Dynamite Friction is designed to meet the specific braking needs of various BMW models. Its vented construction allows for efficient heat dissipation during braking, reducing the risk of brake fade under demanding conditions. The rotor’s directional slotted and drilled surface improves water and debris evacuation, enhancing wet weather braking performance and maintaining consistent pad contact. The zinc black finish on the hat provides corrosion resistance, while the rust resistant coating on the rotor surface extends the rotor’s service life. With a nominal thickness of 22 mm and a discard thickness of 20.4 mm, this rotor maintains structural integrity and safety throughout its lifespan.\u003c\/p\u003e\u003ch2\u003eDFC Brake Rotor - Drilled and Slotted - Black Product Line\u003c\/h2\u003e\u003cp\u003eThe DFC Brake Rotor - Drilled and Slotted - Black line by Dynamite Friction focuses on rotors that combine drilled holes and slots with a corrosion-resistant black zinc finish on the hat. This product line is engineered to provide enhanced braking performance through improved heat dissipation and debris removal, making it suitable for drivers seeking reliable stopping power and rotor longevity on BMW vehicles.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReduces brake fade during high-performance or repeated braking\u003c\/li\u003e\n\u003cli\u003eImproves braking in wet or debris-prone conditions\u003c\/li\u003e\n\u003cli\u003ePrevents rust and corrosion on rotor surfaces\u003c\/li\u003e\n\u003cli\u003eMaintains consistent brake pad contact and performance\u003c\/li\u003e\n\u003cli\u003eCompatible replacement for worn or damaged rotors on specified BMW models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure rotor thickness is above discard thickness (20.4 mm) before installation\u003c\/li\u003e\n\u003cli\u003eUse proper torque specifications for 5-bolt, 120 mm bolt circle diameter\u003c\/li\u003e\n\u003cli\u003eClean rotor surface before installation to remove any protective coatings\u003c\/li\u003e\n\u003cli\u003eCheck compatibility with vehicle’s brake caliper and hardware\u003c\/li\u003e\n\u003cli\u003eInspect brake pads and replace if worn to ensure optimal rotor performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDynamite Friction manufactures the 633-31070L rotor to meet OEM specifications for fitment and performance on BMW 325i, 330i, 330xi, 335d, 335i, 335is, 335i xDrive, 335xi, and X1 models. The rotor includes a rust resistant coating and zinc black hat finish to enhance durability. Warranty details should be confirmed with the manufacturer or distributor, as coverage may vary.\u003c\/p\u003e","brand":"Dynamite Friction","offers":[{"title":"Default Title","offer_id":43389643292853,"sku":"HBHR-633-31070L","price":101.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DF_63331070L_Fro.jpg?v=1774634521","url":"https:\/\/www.partcatalog.com\/products\/dynamite-friction-633-31070l-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}